CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

A rectangular blade of negligible weight floats on a water surface of surface tension 17×101 N/m. If the minimum force to lift up blade from water surface is 2×102 N, then find the internal perimeter of blade. [Take a = 10 cm]



A

2a

loader
B

3a

loader
C

4a

loader
D

6a

loader

Solution

The correct option is D

6a


ιT=F

(Pi+8a)1017=2×102

Pi=0.6 m


Co-Curriculars

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
People also searched for
View More



footer-image